#include <QDir>
#include <QSemaphore>

#include "jobs/unzipjob.h"
#include "utils.h"



Utils::Utils():
    m_sem(std::unique_ptr<QSemaphore>(new QSemaphore(1)))
{}

bool Utils::unzip(QUrl zip_url, QString dir_out_path)
{
    if (!this->m_sem->tryAcquire(1, 500)) {
        return false;
    }
    qInfo() << "Unzip path " << zip_url << " to " << dir_out_path;
    auto job = new UnzipJob(zip_url, QDir(dir_out_path));
    connect(job, &UnzipJob::resultReady, this, &Utils::unzipResult);
    connect(job, &UnzipJob::finished, job, &QObject::deleteLater);
    job->start();
    return true;
}

void Utils::unzipResult(bool err)
{

    qDebug() << "Unzip Result";
    if (err) {
        qInfo() << "Unzip Failed";
        emit unzipFailed("failed to unzip archive");

    } else {
        qInfo() << "Unzip Succeed";
        emit unzipSucceed();
    }
    this->m_sem->release(1);
}


QString Utils::manifestPath()
{
    auto path = QDir(QDir::currentPath()).filePath("manifest_.json");
    qInfo() << "Manifest path : " << path;
    return path;
}